(9S)-10,11-Dihydro-6'-methoxycinchonan-9-ol 10,11-Dihydroquinidine 1435-55-8 1476-98-8 1668-97-9 Cinchonan-9-ol, 10,11-dihydro-6'-methoxy-, (9S)- (9CI) Dihydroquinidine EINECS 215-862-5 Hydroconquinine Hydroquinidine